Figuring out the proper chain dimension on your chainsaw is essential for optimum efficiency and security. An improperly sized chain can result in untimely put on, decreased slicing effectivity, and potential hazards. Happily, measuring a sequence for a chainsaw is a comparatively easy course of that may be achieved with just a few easy steps. On this information, we’ll present detailed directions on how you can precisely measure your chainsaw chain, making certain that you’ve the correct match on your particular mannequin.
Step one in measuring a chainsaw chain is to rely the variety of drive hyperlinks. Drive hyperlinks are the person hyperlinks that have interaction with the sprocket on the chainsaw’s powerhead. To rely the drive hyperlinks, place the chain on a flat floor and thoroughly separate the hyperlinks. Begin counting from one finish of the chain and proceed till you attain the opposite finish. The whole variety of drive hyperlinks you rely will decide the proper substitute chain dimension on your chainsaw.
After you have counted the variety of drive hyperlinks, you should use the next components to calculate the chain’s pitch: Pitch = Variety of Drive Hyperlinks / 2. The pitch is a measurement that represents the space between any three consecutive rivets on the chain. Chainsaws sometimes have a pitch of both 3/8″, .325″, or 1/4″. By figuring out the pitch, you possibly can be certain that the substitute chain you buy has the proper spacing to suit correctly in your chainsaw’s sprocket. Moreover, you also needs to verify the gauge of the chain, which refers back to the thickness of the drive hyperlinks. The gauge is usually measured in inches and may match the gauge of the unique chain to make sure correct match.
Figuring out the Correct Chain Size
Figuring out the proper chain size on your chainsaw is essential for making certain optimum efficiency and security. A number of components affect the chain’s size, together with the chainsaw’s bar size, the variety of drive hyperlinks, and the pitch. To precisely measure the chain, observe these steps:
1. **Measure the Bar Size:** Use a measuring tape or ruler to find out the size of the chainsaw bar from the tip of the nostril to the tip of the groove the place the chain matches. Document this measurement in inches or centimeters.
2. **Rely the Drive Hyperlinks:** Take away the chain from the chainsaw and lay it out on a flat floor. The drive hyperlinks are the protruding, tooth-shaped hyperlinks that have interaction with the sprocket on the bar’s nostril. Rely the variety of drive hyperlinks on the chain.
3. **Calculate the Chain Size:** Use the next components to find out the correct chain size:
| Bar Size (inches) | Drive Hyperlink Rely |
|---|---|
| 12 | 50-52 |
| 14 | 54-56 |
| 16 | 58-60 |
| 18 | 62-64 |
| 20 | 66-68 |
| 22 | 68-70 |
| 24 | 70-72 |
| 26 | 72-74 |
Finding the Information Bar’s Drive Hyperlink Rely
To precisely measure the chain on your chainsaw, you have to decide the variety of drive hyperlinks in your information bar. Observe these steps:
- Examine the information bar: Search for a collection of numbers stamped or etched onto the slender aspect of the information bar, close to the nostril.
Instance Information Bar Markings 16″ 325-72 On this instance, “325” represents the pitch, “72” is the variety of drive hyperlinks, and “16” is the size of the bar.
- Visible rely: If the information bar doesn’t have markings, you possibly can rely the variety of drive hyperlinks manually. Maintain the bar horizontally with the enamel dealing with up and rely the variety of connecting hyperlinks between the 2 rivet heads. Drive hyperlinks sometimes have an rectangular gap for securing the chain to the bar.
- Use a worksheet: Some chainsaw producers present a worksheet or chart that signifies the variety of drive hyperlinks primarily based on the mannequin quantity or size of the information bar. Seek advice from your chainsaw’s person guide or seek the advice of the producer’s web site for this data.
Figuring out the Pitch and Gauge
Earlier than measuring the size of a chainsaw chain, you have to decide its pitch and gauge. These measurements are required to make sure you buy the proper substitute chain.
Pitch
The pitch of a chainsaw chain refers back to the distance between adjoining drive hyperlinks. It’s measured in inches, and customary pitches embrace 0.325", 0.375", and 0.404".
To measure the pitch, rely the variety of drive hyperlinks inside a 6" section of the chain. Divide the variety of drive hyperlinks by 2 to get the pitch in inches.
For instance, for those who rely 16 drive hyperlinks inside a 6" section, the pitch could be 16 รท 2 = 0.325".
Gauge
The gauge of a chainsaw chain refers back to the thickness of the drive hyperlinks. It’s sometimes measured in millimeters, with frequent gauges being 0.043", 0.050", and 0.058".
To measure the gauge, use a caliper or a gauge device to measure the width of a drive hyperlink at its thickest level.
| Gauge (mm) | Approximate Inch Measurement |
|---|---|
| 0.043 | 0.017" |
| 0.050 | 0.020" |
| 0.058 | 0.023" |
Measuring the Size Utilizing a Tape Measure
Discovering the Actual Chain Size
To find out the exact chain size required on your chainsaw, it’s essential to:
-
Take away the Chain: Detach the chain from the chainsaw by following the producer’s directions.
-
Straighten the Chain: Uncoil and straighten the chain on a flat floor to make sure accuracy.
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Measure Whole Drive Hyperlinks: Utilizing a tape measure, rely and measure the size of all of the drive hyperlinks, that are the longer rectangular hyperlinks. Document this measurement (A).
-
Calculate Chain Size: To find out the chain size, observe these steps:
- Decide the pitch worth of your chainsaw (e.g., 0.325 inches).
- Multiply the pitch worth by the variety of drive hyperlinks counted in step 3 (e.g., 0.325 inches x 70 hyperlinks = 22.75 inches).
- Add 1-2 inches for the connecting hyperlink(s) (e.g., 22.75 inches + 1.5 inches = 24.25 inches).
-
Spherical to Nearest Inch: The calculated size will not be a precise inch measurement. Spherical it up or all the way down to the closest complete inch for accuracy.
| Pitch Worth | Instance Calculation | Instance Size |
|---|---|---|
| 0.325 inches | 0.325 inches x 70 hyperlinks + 1.5 inches | 24.25 inches |
| 0.375 inches | 0.375 inches x 68 hyperlinks + 1.5 inches | 26.25 inches |
Including Further Size for Overlap
To make sure a safe and dependable match, it’s important so as to add further size to the chain for overlap. This overlap permits the chain to correctly have interaction with the bar and drive sprocket, decreasing the danger of leaping or derailment.
The quantity of overlap required varies relying on the kind of chain and bar mixture. Nevertheless, as a basic rule of thumb, it is suggested so as to add roughly 1 to 1.5 inches (2.5 to three.8 cm) of additional size to the chain.
To calculate the whole size of chain wanted, together with the overlap, observe these steps:
- Measure the size of the bar from the tip to the bottom.
- Add 1 to 1.5 inches (2.5 to three.8 cm) to the bar size.
- Divide the whole size by the pitch of the chain to find out the variety of drive hyperlinks required.
Do not forget that it’s all the time higher to err on the aspect of warning by including barely extra overlap than needed. Extra overlap can simply be adjusted and eliminated after set up.
| Bar Size | Really useful Overlap | Whole Chain Size |
|---|---|---|
| 16 inches | 1.25 inches | 17.25 inches |
| 18 inches | 1.5 inches | 19.5 inches |
| 20 inches | 1.75 inches | 21.75 inches |
Calculating the Particular Hyperlink Rely
To find out the exact hyperlink rely on your chainsaw chain, observe these steps:
1. Collect Supplies: You’ll need a ruler or measuring tape, a hook device, and security gloves.
2. Put together the Chain: Take away the chain from the chainsaw and guarantee it’s clear and freed from particles.
3. Discover the Beginning Hyperlink: Find the hyperlink that has a “drive hyperlink” and an “loafer hyperlink” related. The drive hyperlink may have two enamel, whereas the loafer hyperlink has one.
4. Mark the Beginning Level: Use a felt-tip marker or different seen indicator to mark the beginning hyperlink.
5. Measure the Pitch: Measure the space between the facilities of three consecutive rivets. Divide this worth by 2 to acquire the pitch of the chain (in inches).
6. Rely the Hyperlinks: Ranging from the marked beginning hyperlink, rely each third rivet. Every set of three rivets represents one hyperlink (inclusive of the beginning hyperlink).
7. Multiply by the Pitch: Multiply the hyperlink rely by the pitch to calculate the general size of the chain in inches:
| Size (in) | = (Hyperlink Rely) x (Pitch) |
|---|
Contemplating the Nostril Sprocket
The nostril sprocket is a small, gear-like element positioned on the tip of the chainsaw’s bar. Its main operate is to information the chain across the tip of the bar and be certain that it stays in place throughout operation. The nostril sprocket is usually manufactured from hardened metal for sturdiness, and its dimension and form differ relying on the chainsaw mannequin and supposed use.
When measuring a sequence for a chainsaw, it is essential to contemplate the nostril sprocket. The proper chain size ensures correct match and efficiency, stopping injury to the sprocket or the chain itself.
The nostril sprocket has a selected variety of enamel, which corresponds to the variety of drive hyperlinks within the chain. Drive hyperlinks are the hyperlinks that have interaction with the sprocket and pull the chain across the bar. The variety of drive hyperlinks in a sequence is usually indicated within the chain’s description or on the packaging. To find out the suitable chain size, you have to match the variety of drive hyperlinks within the chain to the variety of enamel on the nostril sprocket.
For instance, if the nostril sprocket has 7 enamel, you would want a sequence with 7 drive hyperlinks. To make sure accuracy, it is really useful to seek the advice of your chainsaw’s operator’s guide or seek advice from the producer’s specs for the precise chain size required on your specific chainsaw mannequin and nostril sprocket configuration.
Chain Size and Variety of Tooth
| Tooth on Nostril Sprocket | Chain Size (Drive Hyperlinks) |
|---|---|
| 6 | 6 |
| 7 | 7 |
| 8 | 8 |
| 9 | 9 |
| 10 | 10 |
Figuring out the Right Size
To make sure optimum efficiency, it is essential to measure the chainsaw chain precisely. Place the brand new chain on the information bar, aligning the primary cutter with the drive sprocket. Pull the rest of the chain over the bar and information it across the nostril sprocket. If the chain matches snugly with none extra slack, it is seemingly the proper size.
Troubleshooting Brief or Lengthy Chains
Encountering a sequence that’s both too brief or too lengthy can result in operational points. This is how you can tackle these issues:
Chain Too Brief
Signs:
- Chain will not wrap across the nostril sprocket totally
- Chain might bind or bounce off the bar
Answer:
- Add a brand new hyperlink to the chain
- Change your entire chain with an extended one
Chain Too Lengthy
Signs:
- Chain hangs unfastened and sags
- Chain might bind or bounce off the bar
- Elevated danger of kickback
Answer:
- Take away a hyperlink from the chain
- Change your entire chain with a shorter one
Figuring out the Superb Chain Size for Varied Information Bar Sizes
The next desk supplies a basic guideline for choosing the suitable chain size for various information bar sizes:
| Information Bar Dimension (inches) | Chain Size (drive hyperlinks) |
|---|---|
| 12-14 | 50-52 |
| 16-18 | 56-58 |
| 20-22 | 62-64 |
| 24-26 | 68-70 |
It is vital to notice that these values are approximate and will differ barely relying on the precise chainsaw mannequin and bar.
Measuring with a Measuring Stick
1. Decide the size of the bar.
Measure the size of the chainsaw bar from the tip of the nostril to the tip of the tail.
2. Add 2 to 4 inches to the bar size.
This will provide you with the approximate size of chain you want.
3. Wrap the measuring stick across the chain.
Begin on the finish of the chain and wrap the measuring stick across the chain, overlapping the tip by about 1 inch.
4. Mark the measuring stick.
Use a pencil or marker to mark the measuring stick on the level the place the tip of the chain overlaps.
5. Measure the size of the marked part.
Use a ruler or tape measure to measure the size of the marked part on the measuring stick.
6. Add 2 to 4 inches to the measured size.
This will provide you with the approximate size of chain you want.
7. Reduce the chain to the specified size.
Use a sequence noticed chain cutter to chop the chain to the specified size.
8. File the chain to sharpen it.
Use a sequence noticed file to sharpen the chain.
9. Set up the chain on the chainsaw.
Observe the producer’s directions for putting in the chain on the chainsaw.
10. Regulate the chain stress.
Observe the producer’s directions for adjusting the chain stress. The chain must be tight sufficient to forestall it from slipping off the bar, however not so tight that it binds.
| Chain Size | Bar Size |
|---|---|
| 20 inches | 18 inches |
| 24 inches | 22 inches |
| 28 inches | 26 inches |
How To Measure A Chain For A Chainsaw
As a way to be certain that your chainsaw is working at its greatest, it is very important have the proper chain dimension. The chain dimension is set by the pitch, gauge, and size. The pitch is the space between the drive hyperlinks, the gauge is the thickness of the drive hyperlinks, and the size is the variety of drive hyperlinks within the chain.
To measure the chain, you will have a measuring tape or a sequence gauge. In case you are utilizing a measuring tape, place the tape at the start of the chain and measure to the tip of the chain. The measurement must be in inches. In case you are utilizing a sequence gauge, merely insert the gauge into the chain and browse the measurement.
After you have the measurement, you possibly can examine it to the really useful chain dimension on your chainsaw. The really useful chain dimension may be discovered within the proprietor’s guide or on the producer’s web site.
If the chain dimension is just not appropriate, it could trigger the chainsaw to run poorly and even injury the chainsaw. Due to this fact, it is very important just be sure you have the proper chain dimension earlier than you begin utilizing your chainsaw.
Folks Additionally Ask
How do I do know what dimension chain I would like for my chainsaw?
The really useful chain dimension on your chainsaw may be discovered within the proprietor’s guide or on the producer’s web site.
What’s the distinction between pitch, gauge, and size?
The pitch is the space between the drive hyperlinks, the gauge is the thickness of the drive hyperlinks, and the size is the variety of drive hyperlinks within the chain.
Can I exploit a sequence that’s too lengthy or too brief for my chainsaw?
No, utilizing a sequence that’s too lengthy or too brief on your chainsaw could cause the chainsaw to run poorly and even injury the chainsaw.
